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authorRalf Baechle <ralf@linux-mips.org>2012-10-11 11:15:03 +0200
committerRalf Baechle <ralf@linux-mips.org>2012-10-11 11:15:03 +0200
commit35bafbee4b4732a2820bbd0ef141c8192ff29731 (patch)
treedc4709ea5c1faeb357e17d07a73f2e27eb6aad52 /arch/mips/include/uapi/asm/cachectl.h
parent49a94e9482e70777ae0e03351a0c2c18bbdfebda (diff)
parent61730c538f8281efa7ac12596da9f3f9a31b9272 (diff)
Merge tag 'disintegrate-mips-20121009' of git://git.infradead.org/users/dhowells/linux-headers into mips-for-linux-next
UAPI Disintegration 2012-10-09 Patchwork: https://patchwork.linux-mips.org/patch/4414/
Diffstat (limited to 'arch/mips/include/uapi/asm/cachectl.h')
-rw-r--r--arch/mips/include/uapi/asm/cachectl.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/mips/include/uapi/asm/cachectl.h b/arch/mips/include/uapi/asm/cachectl.h
new file mode 100644
index 00000000000..f3ce721861d
--- /dev/null
+++ b/arch/mips/include/uapi/asm/cachectl.h
@@ -0,0 +1,26 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994, 1995, 1996 by Ralf Baechle
+ */
+#ifndef _ASM_CACHECTL
+#define _ASM_CACHECTL
+
+/*
+ * Options for cacheflush system call
+ */
+#define ICACHE (1<<0) /* flush instruction cache */
+#define DCACHE (1<<1) /* writeback and flush data cache */
+#define BCACHE (ICACHE|DCACHE) /* flush both caches */
+
+/*
+ * Caching modes for the cachectl(2) call
+ *
+ * cachectl(2) is currently not supported and returns ENOSYS.
+ */
+#define CACHEABLE 0 /* make pages cacheable */
+#define UNCACHEABLE 1 /* make pages uncacheable */
+
+#endif /* _ASM_CACHECTL */